High-Pressure Modular Controller
Troubleshooting
59
Table 19. Troubleshooting (cont.)
Problem
Probable
Cause
Action
Electrical Problems
Display is on with
graphics but no
numbers
USB interface
to front panel is
disconnected
Open the front panel door, check the USB cable connection
to the front panel.
Reinstall the USB cable connection.
Rear panel drivers
not operating
Loose
connection
Inspect the connection.
Exceeded
maximum
power rating
Allow internal fuse to cool and retry. Verify the rating of the
external solenoids.
Limit current of external solenoids.
Pressure Generation or Indication Problems
Product will not
enter control
mode
Modules not
installed (PCM
and 1+
modules)
Verify modules are properly installed. Door must be closed
and properly sensed as closed. Confirm door status and
pressure supply to PCM.
PMMs not fully
installed
Follow steps outlined in
Installation and Setup
to ensure
that all modules are properly installed.
No pressure
supply
Apply proper supply pressure.
Door not closed
Make sure the front panel is closed.
Internal door-
close sensor
failed
Check the sensor. Send the Product to Fluke Calibration for
repair.
System in
remote
operation mode
Check that the controller is not connected to a computer
that is sending commands to the controller.
No pressure
measurement is
shown. Module
selection mode
shows PCM
(instead of Auto,
Fast or Fixed)
Door not closed
Verify front panel is closed, verify the USB connection to
front panel is proper, verify Product is installed.
PMM not
installed
Install a PMM (see
Installation and Setup).
PCM not
installed
Install a PCM (see
Installation and Setup).